G - Physics
01
F
73/127
G01F 1/42 (2006.01)
Patent
CA 1189728
ABSTRACT OF THE DISCLOSURE Disclosed is a panel device for use in measuring the magnitude of air infiltration in a building and which may be used to seal the space between the inner surfaces of an opening such as a door and a fan device which generates and measures air flows. The device includes a rigid, generally planar frame which is adjustable in shape to conform closely with the inside surfaces of the opening over part of its peripheral length, and one or more auxiliary corner inserts shaped to fit the areas excluded by the frame. An elastically deformable sealing means is provided around the outer periphery of the frame, and a thin, flexible generally air-impermeable membrane extends out to the per- iphery of the frame and around the sealing means, the mem- brane capable of being pressed by the sealing means against either an interior surface of the opening or an edge of an auxiliary corner insert.
456540
Osler Hoskin & Harcourt Llp
Saum Enterprises Inc.
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